What is the distance from C(-5,6) to D(4,-6)?
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15 units

Step-by-step explanation:

The distance between any two points (x1,y1) and (x2,y2) on a coordinate plane is given by

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for the problem given

points are C(-5,6) to D(4,-6)

Thus distance from c to D is explained below by substituting the value of point C and D is distance calculation formula given above

Thus, distance from C(-5,6) to D(4,-6) is 15 units.

he spend 5.1 minutes chatting with his friends.

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5.1

arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.